AutoCodes – Generic – B1319

B1319 Code - Driver Door Ajar Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Driver Door Ajar Switch. Common causes include Faulty Driver Door Ajar Switch, Driver Door Ajar Switch harness is open or shorted, Driver Door Ajar Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B1319 indicates Driver Door Ajar Circuit Failure.
Common causes: Common causes include Faulty Driver Door Ajar Switch, Driver Door Ajar Switch harness is open or shorted, Driver Door Ajar Switch circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 35,371

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1319 Description

The Body Control Module (BCM) monitors the Driver Door Ajar Switch. The BCM sets the OBDII code when the Driver Door Ajar Switch is not to factory specifications.

OBDII Code B1319 - Driver Door Ajar Circuit Failure - AutoCodes.com — B1319 Code - Driver Door Ajar Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1319?

Faulty Driver Door Ajar Switch
Driver Door Ajar Switch harness is open or shorted
Driver Door Ajar Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1319?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1319 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1319 code?

Need more information on how to fix the B1319 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1319 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1319 Code

1. What are the common symptoms of OBDII code B1319 (Driver Door Ajar Circuit Failure)?

- Common symptoms include the interior lights staying on, the door ajar warning light constantly illuminated, and potential issues with power door locks.

2. What are the possible causes of OBDII code B1319?

- Causes of this code can include a faulty door ajar switch, damaged wiring in the door jamb, or a malfunctioning body control module.

3. How can I diagnose the Driver Door Ajar Circuit Failure issue?

- To diagnose the issue, you can visually inspect the door ajar switch and wiring, use a multimeter to check for continuity, and scan the vehicle's computer for trouble codes.

4. Can I repair OBDII code B1319 myself?

- Depending on the cause, you may be able to repair this issue yourself by replacing a faulty door ajar switch, repairing damaged wiring, or resetting the body control module.

5. Is it safe to drive with the Driver Door Ajar Circuit Failure code active?

- While it may be safe to drive with the code active, it is recommended to address the issue promptly to prevent draining the vehicle's battery and ensure proper operation of the door latch system.

6. How much does it typically cost to repair OBDII code B1319?

- The cost of repair can vary depending on the cause of the issue, but replacing a door ajar switch or repairing wiring can range from $50 to $200, while addressing a faulty body control module may be more expensive.

7. Will disconnecting the battery reset the B1319 code?

- Disconnecting the battery may temporarily clear the code, but it is recommended to diagnose and repair the underlying issue to prevent the code from reappearing.

8. Can extreme weather conditions trigger the Driver Door Ajar Circuit Failure code?

- Yes, extreme weather conditions such as heavy rain or extreme cold can sometimes cause the door ajar switch or wiring to malfunction, leading to the B1319 trouble code.

9. How do I prevent the Driver Door Ajar Circuit Failure issue from recurring?

- To prevent the issue from recurring, regularly inspect the door ajar switch and wiring for damage, keep the door seals clean, and address any issues promptly to avoid further damage.

10. Can the Driver Door Ajar Circuit Failure code affect other vehicle systems?

- While the code primarily relates to the door ajar circuit, it can potentially impact other systems tied to the body control module, such as interior lighting and power door locks.